Server liquid cooling system

Abstract

The utility model provides a server liquid cooling system, which is applied to the technical field of data center cooling, and comprises at least one cabinet, an internal space of each cabinet is configured to accommodate at least one server; the water segregators are arranged on one side of the internal space of each cabinet, the water segregators are connected with the servers, a first end of each water segregator is provided with a water segregator main interface, and a second end of each water segregator is provided with a water segregator standby interface; the standby cooling liquid distribution units are arranged in the internal spaces of the cabinets, standby cooling liquid distribution unit interfaces are formed in the standby cooling liquid distribution units, and the water segregators are connected with the standby cooling liquid distribution units through standby pipes between the standby cooling liquid distribution unit interfaces and the water segregator standby interfaces; and the standby cooling liquid distribution unit is configured to respond to the fault of the server liquid cooling system and distribute the cooling liquid into the water segregator so as to realize the uninterrupted cooling of the server in the internal space of each cabinet.

Description

TECHNICAL FIELD

[0001] The utility model relates to data center cooling technical field more particularly, relate to a kind of server liquid cooling system. BACKGROUND

[0002] Data center is the basic platform of digital information technology service and artificial intelligence service, and is the key support of cloud computing, big data and artificial intelligence services.For meeting the normal operation of server equipment, uninterrupted reliable cooling needs to be provided to data center room.

[0003] In the process of realizing the utility model concept, the inventor finds that at least the following problems exist in the related art: When the local pipeline, valve or single liquid cooling cabinet supply and return liquid branch of the main loop of the cabinet liquid cooling appears fault or needs to be overhauled, at least one cabinet will be isolated by the system, causing the cabinet to be unable to continuously supply liquid, thereby causing the server nodes deployed on the cabinet to stop running, resulting in response service interruption. UTILITY MODEL CONTENT

[0004] Therefore, the utility model provides a kind of server liquid cooling system, comprising: at least one cabinet, the internal space of each cabinet is configured to place at least one server;

[0005] Water distributor is arranged at one side of the internal space of each cabinet, and the water distributor is connected with each server, a water distributor main interface is arranged at the first end of the water distributor, and a water distributor backup interface is arranged at the second end of the water distributor;

[0006] Backup cooling liquid distribution unit is arranged in the internal space of each cabinet, and a backup cooling liquid distribution unit interface is arranged on the backup cooling liquid distribution unit; the connection between the water distributor and the backup cooling liquid distribution unit is realized by a backup pipe between the backup cooling liquid distribution unit interface and the water distributor backup interface; the backup cooling liquid distribution unit is configured to distribute cooling liquid to the water distributor in response to the existence of fault of the server liquid cooling system, to realize uninterrupted cooling of the server in the internal space of each cabinet.

[0007] According to the embodiment of the utility model, the water distributor includes liquid supply distributor and liquid return distributor, and the liquid supply distributor and the liquid return distributor are arranged side by side at one side in the cabinet; the first end of the liquid supply distributor is provided with a liquid supply distributor main interface, the first end of the liquid supply distributor is provided with a liquid supply distributor backup interface, the first end of the liquid return distributor is provided with a liquid return distributor main interface, and the first end of the liquid return distributor is provided with a liquid return distributor backup interface.

[0008] According to the embodiment of the utility model, the backup pipe includes liquid supply backup pipe and liquid return backup pipe, and the backup cooling liquid distribution unit interface includes cooling liquid outlet interface and cooling liquid return interface.

[0009] According to the embodiment of the utility model, one end of the liquid supply standby pipe is connected with the liquid supply distributor standby interface of the liquid supply distributor, the other end of the liquid supply standby pipe is connected with the cooling liquid outlet interface of the standby cooling liquid distribution unit, the cooling liquid is configured to be distributed from the standby cooling liquid distribution unit to the liquid supply distributor through the liquid supply standby pipe, and the liquid supply distributor is configured to distribute the cooling liquid to each server.

[0010] One end of the liquid return standby pipe is connected with the liquid return distributor standby interface of the liquid return distributor, the other end of the liquid return standby pipe is connected with the cooling liquid return interface of the standby cooling liquid distribution unit, the cooling liquid after heat absorption is configured to be returned from the liquid return distributor to the standby cooling liquid distribution unit through the liquid return standby pipe, and the liquid return distributor is configured to return the cooling liquid after heat absorption.

[0011] According to the embodiment of the utility model, the system further comprises: a main pipe, comprising a liquid supply main pipe and a liquid return main pipe, and the liquid supply main pipe and the liquid return main pipe are arranged side by side outside the cabinet; a plurality of groups of branch pipes, each group of branch pipes comprising a liquid supply branch pipe and a liquid return branch pipe, one end of the liquid supply branch pipe is connected with the liquid supply main pipe, and the other end is connected with the liquid supply distributor main interface through the liquid supply main pipe; one end of the liquid return branch pipe is connected with the liquid return main pipe, and the other end is connected with the liquid return distributor main interface through the liquid return main pipe.

[0012] According to the embodiment of the utility model, the liquid supply main pipe and the liquid return main pipe are each provided with a main pipe isolation valve corresponding to the cabinet, and the liquid supply branch pipe and the liquid return branch pipe are each provided with a branch pipe isolation valve.

[0013] According to the embodiment of the utility model, the main pipe isolation valve is configured to control the on-off of the cooling liquid flowing through the liquid supply main pipe and the liquid return main pipe respectively, and the branch pipe isolation valve is configured to control the on-off of the cooling liquid in the liquid supply branch pipe and the liquid return branch pipe respectively.

[0014] According to the embodiment of the utility model, the standby cooling liquid distribution unit comprises:

[0015] The liquid collecting cavity is configured to store the cooling liquid;

[0016] The circulating pump is configured to drive the cooling liquid to be pumped out from the liquid collecting cavity and distributed to each server through the liquid supply distributor;

[0017] The air-liquid heat exchanger is configured to cool the cooling liquid after heat absorption returned to the standby cooling liquid distribution unit.

[0018] According to the embodiment of the utility model, the standby cooling liquid distribution unit further comprises:

[0019] The filter is configured to filter the cooling liquid stored in the water tank;

[0020] a temperature sensor configured to monitor the temperature of the cooling liquid in real time;

[0021] a pressure sensor configured to monitor the flow and pressure of the cooling liquid in real time.

[0022] According to the embodiment of the present application, the water distributor is further provided with a liquid cooling interface, the water distributor is connected with each server through the liquid cooling interface, and the number of the liquid cooling interfaces is consistent with the number of the servers in each cabinet.

[0023] According to the embodiment of the present application, the water distributor is further provided with a liquid cooling interface, the water distributor is connected with each server through the liquid cooling interface, and the number of the liquid cooling interfaces is consistent with the number of the servers in each cabinet. BRIEF DESCRIPTION OF DRAWINGS

[0024] The above and other objects, features and advantages of the present application will become more apparent from the following description of the preferred embodiments of the present application taken in conjunction with the accompanying drawings, in which:

[0025] Figure 1 Fig. 1 schematically shows a schematic diagram of an existing server liquid cooling system according to the embodiment of the present application;

[0026] Figure 2 Fig. 2 schematically shows a structural diagram of a service liquid cooling system for a single cabinet according to the embodiment of the present application;

[0027] Figure 3 Fig. 3 schematically shows a structural diagram of a service liquid cooling system according to the embodiment of the present application;

[0028] Figure 4 Fig. 4 schematically shows a schematic diagram of a standby liquid supply and return closed loop formed by a standby cooling liquid distribution unit and a water distributor according to the embodiment of the present application.

[0029] REFERENCE NUMERALS

[0030] Liquid supply pipe 11; liquid return pipe 12; main water distributor 13; hose 14; secondary side main pipe 15; primary side heat dissipation pipe 16;

[0031] Cabinet 1; server 2; water distributor 3; liquid supply water distributor 31; liquid return water distributor 32; water distributor main interface 3a; water distributor backup interface 3b; liquid supply water distributor main interface 311; liquid supply water distributor backup interface 312; liquid return water distributor main interface 321; liquid return water distributor backup interface 322; backup cooling liquid distribution unit 4; backup cooling liquid distribution unit interface 41; cooling liquid outlet interface 411; cooling liquid return interface 412; liquid collection cavity 42; circulating pump 43; air-liquid heat exchanger 44; filter 45; temperature sensor 46; pressure sensor 47; backup pipe 5; liquid supply backup pipe 51; liquid return backup pipe 52; main pipe 6; liquid supply main pipe 61; liquid return main pipe 62; main pipe isolation valve 7; multiple groups of branch pipes 8; liquid supply branch pipe 81; liquid return branch pipe 82; branch pipe isolation valve 9; liquid supply main pipe 10; liquid return main pipe 11. DETAILED DESCRIPTION

[0032] Hereinafter, embodiments of the present application will be described with reference to the accompanying drawings. It is to be understood, however, that these descriptions are merely exemplary and are intended to provide a thorough and complete disclosure of the embodiments of the present application, as defined by the appended claims. In the following detailed description of embodiments of the present application, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the present application. However, it will be apparent to one skilled in the art that the embodiments of the present application can be practiced without these specific details. In other instances, well-known structures and functions have not been described in detail in order to avoid obscuring the concepts of the present application.

[0033] The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. As used herein, the term "includes" and tautological equivalents thereof, means that the named feature, step, operation, and / or component is included, but not to the exclusion of the presence or addition of one or more other features, steps, operations, or components.

[0034] All terms used herein including technical and scientific terms have the meanings as commonly understood by one of ordinary skill in the art unless otherwise defined. It should be noted that the terms used herein are not intended to have any ideologically or overly formal connotations.

[0035] In the case of using expressions similar to "at least one of A, B, and C, etc.", it should be generally interpreted to include at least one of each item enumerated, in the meaning as generally understood by one of ordinary skill in the art (for example, "a system having at least one of A, B, and C" should include but not be limited to a system having A alone, a system having B alone, a system having C alone, a system having both A and B, a system having both A and C, a system having both B and C, and / or a system having A, B, and C, etc.).

[0036] It should be noted that the direction terms mentioned in the embodiments, such as "up", "down", "front", "back", "left", "right", etc., are only with reference to the drawings, and are not intended to limit the protection scope of the utility model. Throughout the drawings, the same elements are represented by the same or similar reference numerals. When it may cause confusion to the understanding of the utility model, the conventional structure or configuration will be omitted.

[0037] Figure 1 A schematic diagram of an existing server liquid cooling system according to an embodiment of the utility model is schematically shown.

[0038] As shown in Figure 1 , in the data center liquid cooling system, the servers are installed on the cabinets, each cabinet is provided with a liquid supply pipe 11 and a liquid return pipe 12 for liquid supply and return, the liquid supply pipe 11 and the liquid return pipe 12 on the cabinet are connected with a main water distributor 13 for delivering the coolant to each server for cooling; the liquid supply pipe 11 and the liquid return pipe 12 are connected with a liquid cooling secondary side main pipe 15 through a hose 14, the secondary side main pipe 15 is connected with a coolant distribution unit (CDU) to form an indoor annular liquid supply system, a primary side heat dissipation pipe 16 is connected with the CDU to form an outdoor annular liquid supply system.

[0039] Based on the above-mentioned server liquid cooling system structure in the prior art, if the liquid cooling secondary side main pipe, the liquid supply pipe of a single cabinet or the liquid return pipe of a single cabinet fails or needs daily maintenance, at least one cabinet needs to be isolated, thereby causing the cabinet to be unable to continuously supply liquid, causing the servers deployed on the cabinet to stop running, and affecting business services.

[0040] In view of this, the utility model provides a kind of server liquid cooling system, comprising: at least one cabinet, the internal space of each cabinet is configured to place at least one server;Water distributor is set to one side of the internal space of each cabinet, and the water distributor is connected with each server, and the first end of the water distributor is provided with water distributor main interface, and the second end of the water distributor is provided with water distributor backup interface;Backup coolant distribution unit is set to the internal space of each cabinet, and the backup coolant distribution unit is provided with backup coolant distribution unit interface, and the connection between backup coolant distribution unit interface and water distributor backup interface is realized by backup pipe, and the backup coolant distribution unit is configured to distribute coolant to the water distributor in response to the existence of fault of server liquid cooling system, to realize the uninterrupted cooling of the server in the internal space of each cabinet.

[0041] Figure 2 A structural diagram of the service liquid cooling system for a single cabinet according to an embodiment of the utility model is schematically shown. Figure 3A structural diagram of a service liquid cooling system is shown.

[0042] As shown in the figure, at least one cabinet included in the server liquid cooling system is taken as an example, the server liquid cooling system can include: Figure 2

[0043] At least one cabinet 1, the internal space of each cabinet 1 is configured to place at least one server 2, and each server can be separated by a steel plate.

[0044] A water distributor 3 is arranged at one side of the internal space of each cabinet 1, and the water distributor 3 includes a liquid supply distributor 31 and a liquid return distributor 32, which can be arranged side by side at the same side of the internal space of the cabinet 1; or can be arranged side by side at both sides of the internal space of the cabinet 1, that is, one side is the liquid supply distributor 31 and the other side is the liquid return distributor 32 (this case is not shown in the figure).

[0045] According to the embodiment of the utility model, the first end of the water distributor 3 is provided with a water distributor main interface 3a, and the second end is provided with a water distributor backup interface 3b. The water distributor main interface 3a can include a liquid supply distributor main interface 311 and a liquid return distributor main interface 321; the water distributor backup interface 3b can include a liquid supply distributor backup interface 312 and a liquid return distributor backup interface 322.

[0046] Specifically, the first end of the liquid supply distributor 31 is provided with a liquid supply distributor main interface 311, and the second end of the liquid supply distributor 31 is provided with a liquid supply distributor backup interface 312; the first end of the liquid return distributor 32 is provided with a liquid return distributor main interface 321, and the second end of the liquid return distributor 32 is provided with a liquid return distributor backup interface 322.

[0047] According to the embodiment of the utility model, the first end of the liquid supply distributor 31 and the first end of the liquid return distributor 32 are on the same side; the second end of the liquid supply distributor 31 and the second end of the liquid return distributor 32 are on the same side.

[0048] A backup cooling liquid distribution unit 4 is arranged in the internal space of each cabinet 1 and can be placed at the bottom of the internal space of the cabinet 1 or the upper part of the internal space of the cabinet 1, and when placed at the upper part of the internal space of the cabinet 1, it can be placed on a support such as a steel plate.

[0049] According to the embodiment of the utility model, one embodiment is to place the backup cooling liquid distribution unit 4 at the bottom of the internal space of the cabinet 1, and the backup cooling liquid distribution unit 4 is provided with a backup cooling liquid distribution unit interface 41, and the backup cooling liquid distribution unit interface 41 and the water distributor backup interface 3b can be connected through the backup pipe 5 to realize the connection between the water distributor 3 and the backup cooling liquid distribution unit 4 (combined with Figure 3 ​as shown).

[0050] According to the embodiment of the utility model, the standby cooling liquid distribution unit 4 can be configured to distribute the cooling liquid to the water distributor to realize uninterrupted cooling of the servers in the internal space of each cabinet in response to the server liquid cooling system having a fault.

[0051] According to the embodiment of the utility model, the standby cooling liquid distribution unit interface 41 can include a cooling liquid outlet interface 411 and a cooling liquid return interface 412.

[0052] In combination Figure 3 As shown, specifically, the standby pipe 5 includes a liquid supply standby pipe 51 and a liquid return standby pipe 52; one end of the liquid supply standby pipe 51 is connected with the liquid supply water distributor standby interface 312 of the liquid supply water distributor 31, the other end of the liquid supply standby pipe 51 is connected with the cooling liquid outlet interface 411 of the standby cooling liquid distribution unit 4, to realize the connection of the standby cooling liquid distribution unit 4 and the liquid supply water distributor 31; one end of the liquid return standby pipe 52 is connected with the liquid return water distributor standby interface 322 of the liquid return water distributor 32, the other end of the liquid return standby pipe 52 is connected with the cooling liquid return interface 412 of the standby cooling liquid distribution unit 4, to realize the connection of the standby cooling liquid distribution unit 4 and the liquid return water distributor 32.

[0053] According to the embodiment of the utility model, the connection of the standby cooling liquid distribution unit 4 and the liquid supply water distributor 31 can be configured to distribute the cooling liquid in the standby cooling liquid distribution unit 4 from the cooling liquid outlet interface 411 to the liquid supply water distributor 31 through the liquid supply standby pipe 51, so that the liquid supply water distributor 31 distributes the cooling liquid to each server.

[0054] According to the embodiment of the utility model, the cooling liquid is distributed to each server, absorbs the heat emitted by the server, and the cooling liquid after absorbing heat is returned to the liquid return water distributor 32.

[0055] According to the embodiment of the utility model, the connection of the standby cooling liquid distribution unit 4 and the liquid return water distributor 32 can be configured to return the cooling liquid after absorbing heat from the liquid return water distributor 32 to the standby cooling liquid distribution unit 4 through the liquid return standby pipe 52, and the liquid return water distributor 32 can be configured to return the cooling liquid after absorbing heat.

[0056] According to the embodiment of the utility model, because the water distributor spare interface is arranged on the internal space of each cabinet, the spare cooling liquid distribution unit is arranged in the internal space of each cabinet, and the spare pipe is arranged between the spare cooling liquid distribution unit interface and the water distributor spare interface to realize the connection of the water distributor and the spare cooling liquid distribution unit, at least part of the technical problem that the cabinet cannot continuously supply liquid when the main loop or branch pipe of the computer room liquid cooling appears failure or needs maintenance is overcome, and the technical effect that the cabinet can realize uninterrupted cooling even when the main loop or branch pipe of the computer room liquid cooling appears failure or needs maintenance is achieved, so that the server node arranged on the cabinet can continue to run.

[0057] According to the embodiment of the utility model, in combination with Figure 3 As shown in the figure, the server cooling system can further include:

[0058] The main pipe 6 can include a liquid supply main pipe 61 and a liquid return main pipe 62, and the liquid supply main pipe 61 and the liquid return main pipe 62 are arranged side by side outside the cabinet 1.

[0059] According to the embodiment of the utility model, the liquid supply main pipe 61 and the liquid return main pipe 62 can be arranged on one side outside at least one cabinet 1, and the liquid supply main pipe 61 and the liquid return main pipe 62 are connected with the cooling liquid distribution unit (CDU, not shown in the figure).

[0060] According to the embodiment of the utility model, the main pipe isolation valve 7 is arranged on the liquid supply main pipe 61 and the liquid return main pipe 62 at positions corresponding to each cabinet, and is configured to control the on-off of the cooling liquid flowing through the liquid supply main pipe 61 and the on-off of the heat-absorbed cooling liquid flowing through the liquid return main pipe 62, respectively.

[0061] A plurality of groups of branch pipes 8, each group of branch pipes 8 corresponding to one cabinet 1, each group of branch pipes 8 can include a liquid supply branch pipe 81 and a liquid return branch pipe 82. One end of the liquid supply branch pipe 81 is connected with the liquid supply main pipe 61, and one end of the liquid return branch pipe 82 is connected with the liquid return main pipe 62.

[0062] According to the embodiment of the utility model, the liquid supply branch pipe 81 and the liquid return branch pipe 82 included in each group of branch pipes 8 are provided with branch pipe isolation valves 9. The branch pipe isolation valves 9 can be configured to control the on-off of the cooling liquid in the liquid supply branch pipe 81 and the on-off of the heat-absorbed cooling liquid in the liquid return branch pipe 82, respectively.

[0063] According to the embodiment of the utility model, the other end of the liquid supply branch pipe 81 is connected with the liquid supply branch pipe main interface 311 arranged at the first end of the liquid supply water distributor 31 through the liquid supply main pipe 10; the other end of the liquid return branch pipe 82 is connected with the liquid return branch pipe main interface 321 arranged at the first end of the liquid return water distributor 32 through the liquid return main pipe 11.

[0064] According to the embodiment of the utility model, at least one liquid cooling interface (not shown in the drawings) can also be arranged on the water distributor 3, the number of the liquid cooling interface is consistent with the number of the servers 2 in each cabinet 1, and the water distributor and the servers can be connected through the liquid cooling interface by a hose. Specifically, for one cabinet, the liquid supply water distributor is provided with the liquid cooling interface consistent with the number of the servers in the cabinet between the first end and the second end, the connection between the liquid supply water distributor 31 and the servers can be realized by the liquid cooling interface in the form of a quick plug; similarly, the liquid supply water distributor is provided with the liquid cooling interface consistent with the number of the servers in the cabinet between the first end and the second end, the connection between the liquid return water distributor 32 and the servers can be realized by the liquid cooling interface in the form of a quick plug.

[0065] Figure 4 The schematic diagram of the standby cooling liquid distribution unit and the water distributor forming a standby liquid supply and return closed loop according to the embodiment of the utility model is schematically shown.

[0066] As Figure 4 , the standby cooling liquid distribution unit 4 further comprises:

[0067] The liquid collecting cavity 42 is configured to store the cooling liquid.

[0068] The circulating pump 43 is configured to drive the cooling liquid to be pumped out from the liquid collecting cavity and distributed to each server through the liquid supply water distributor.

[0069] The air-liquid heat exchanger 44 is configured to cool the heat-absorbed cooling liquid returned to the standby cooling liquid distribution unit.

[0070] According to the embodiment of the utility model, combined with Figure 4 It is shown that the standby cooling liquid distribution unit 4 further comprises:

[0071] The filter 45 is configured to filter the cooling liquid stored in the water tank.

[0072] The temperature sensor 46 is configured to monitor the temperature of the cooling liquid in real time.

[0073] The pressure sensor 47 is configured to monitor the flow and pressure of the cooling liquid in real time.

[0074] According to the embodiment of the utility model, cooling liquid outlet interface 411 on standby cooling liquid distribution unit 4 is connected with cooling liquid supply distributor standby interface 312 on cooling liquid supply distributor 31 through liquid supply standby pipe 51, realizing the connection of standby cooling liquid distribution unit 4 and cooling liquid supply distributor 31, cooling liquid return interface 412 on standby cooling liquid distribution unit 4 is connected with cooling liquid return distributor standby interface 322 on cooling liquid return distributor 32 through cooling liquid return standby pipe 52, realizing the connection of standby cooling liquid distribution unit 4 and cooling liquid return distributor 32, thereby forming standby cooling liquid supply and return closed loop.

[0075] According to the embodiment of the utility model, again combine Figure 2 As shown, when normally operating, the server liquid cooling system transports cooling liquid into cooling liquid supply distributor 31 through cooling liquid distribution unit CDU (not shown in the figure) through cooling liquid supply main pipe 61 through cooling liquid supply branch pipe 81, cooling liquid supply distributor 31 is connected with server 2, distributes cooling liquid to each server 2, then the cooling liquid after absorbing the heat of server is returned to cooling liquid return branch pipe 82 through cooling liquid return distributor 32, then is returned to cooling liquid return main pipe 62, finally is returned to cooling liquid distribution unit CDU, forms a main cooling liquid supply and return closed loop, to realize the cooling of server.

[0076] But, if the main pipe, isolation valve or any component in the main cooling liquid supply and return closed loop appears fault or needs overhauling during the normal operation of the server liquid cooling system, standby cooling liquid distribution unit 4 can be started online or manually before the main cooling liquid supply and return closed loop is isolated from the cabinet, so that the cooling liquid in standby cooling liquid distribution unit 4 is transported into cooling liquid supply distributor 31 through cooling liquid outlet interface 411, then is distributed to each server 2 through cooling liquid supply distributor 31, then the cooling liquid after absorbing the heat of server is returned to standby cooling liquid distribution unit 4 through cooling liquid return distributor 32, forming a standby cooling liquid supply and return closed loop, to realize the uninterrupted cooling of server in the internal space of each cabinet when the main cooling liquid supply and return closed loop appears fault or needs overhauling.

[0077] The above describes the embodiments of the utility model. However, these embodiments are only for the purpose of illustration, and not for limiting the scope of the utility model. Although each embodiment is described above respectively, this does not mean that the measures in each embodiment cannot be used advantageously in combination. Without departing from the scope of the utility model, those skilled in the art can make various substitutions and modifications, and these substitutions and modifications all should fall within the scope of the utility model.

Claims

1. A server liquid cooling system, characterized by, The system comprises: at least one cabinet (1), the internal space of each cabinet is configured to place at least one server (2); a water distributor (3) arranged at one side of the internal space of each cabinet (1), the water distributor (3) is connected with each server (2), a water distributor main interface (3a) is arranged at the first end of the water distributor (3), and a water distributor backup interface (3b) is arranged at the second end of the water distributor; a backup cooling liquid distribution unit (4) arranged in the internal space of each cabinet (1), the backup cooling liquid distribution unit (4) is provided with a backup cooling liquid distribution unit interface (41), the backup pipe (5) is arranged between the backup cooling liquid distribution unit interface (41) and the water distributor backup interface (3b) to connect the water distributor (3) and the backup cooling liquid distribution unit (4), and the backup cooling liquid distribution unit (4) is configured to distribute cooling liquid to the water distributor in response to a fault of a server liquid cooling system, so as to realize uninterrupted cooling of the server in the internal space of each cabinet.

2. The system of claim 1, wherein, The water distributor (3) comprises a liquid supply distributor (31) and a liquid return distributor (32), and the liquid supply distributor (31) and the liquid return distributor (32) are arranged side by side at one side in the cabinet (1); a liquid supply distributor main interface (311) is arranged at the first end of the liquid supply distributor (31), a liquid supply distributor backup interface (312) is arranged at the second end of the liquid supply distributor, a liquid return distributor main interface (321) is arranged at the first end of the liquid return distributor (32), and a liquid return distributor backup interface (322) is arranged at the second end of the liquid return distributor.

3. The system of claim 2, wherein, The backup pipe (5) comprises a liquid supply backup pipe (51) and a liquid return backup pipe (52), and the backup cooling liquid distribution unit interface (41) comprises a cooling liquid outlet interface (411) and a cooling liquid return interface (412).

4. The system of claim 3, wherein, One end of the liquid supply backup pipe (51) is connected with the liquid supply distributor backup interface (312) of the liquid supply distributor (31), the other end of the liquid supply backup pipe (51) is connected with the cooling liquid outlet interface (411) of the backup cooling liquid distribution unit (4), the liquid supply backup pipe (51) is configured to distribute the cooling liquid from the backup cooling liquid distribution unit (4) to the liquid supply distributor (31) through the liquid supply backup pipe (51), and the liquid supply distributor (31) is configured to distribute the cooling liquid to each server (2); One end of the liquid return backup pipe (52) is connected with the liquid return distributor backup interface (322) of the liquid return distributor (32), the other end of the liquid return backup pipe (52) is connected with the cooling liquid return interface (412) of the backup cooling liquid distribution unit (4), the liquid return backup pipe (52) is configured to return the heat-absorbed cooling liquid from the liquid return distributor (32) to the backup cooling liquid distribution unit (4) through the liquid return backup pipe (52), and the liquid return distributor (32) is configured to return the heat-absorbed cooling liquid.

5. The system of claim 2, wherein, The system further comprises: A main pipeline (6) includes a liquid supply main pipeline (61) and a liquid return main pipeline (62), which are arranged side by side outside the cabinet; A plurality of groups of branch pipelines (8) are provided, each group of branch pipelines including a liquid supply branch pipeline (81) and a liquid return branch pipeline (82), one end of the liquid supply branch pipeline (81) being connected to the liquid supply main pipeline (61), the other end being connected to the liquid supply distributor main interface (311) through a liquid supply main pipeline (10), one end of the liquid return branch pipeline (82) being connected to the liquid return main pipeline (62), the other end being connected to the liquid return distributor main interface (321) through a liquid return main pipeline (11).

6. The system of claim 5, wherein, The liquid supply main pipeline (61) and the liquid return main pipeline (62) are each provided with a main pipeline isolation valve (7) corresponding to the cabinet, and the liquid supply branch pipeline (81) and the liquid return branch pipeline (82) are each provided with a branch pipeline isolation valve (9).

7. The system of claim 6, wherein, The main pipeline isolation valve (7) is configured to control the on-off of the cooling liquid flowing through the liquid supply main pipeline (61) and the liquid return main pipeline (62), respectively, and the branch pipeline isolation valve (9) is configured to control the on-off of the cooling liquid in the liquid supply branch pipeline (81) and the liquid return branch pipeline (82), respectively.

8. The system of claim 2, wherein, The standby cooling liquid distribution unit (4) includes: A liquid collecting cavity (42) configured to store cooling liquid; A circulating pump (43) configured to drive the cooling liquid to be pumped out of the liquid collecting cavity (42) and distributed to each server (2) through the liquid supply distributor (31); A liquid-air heat exchanger (44) configured to cool the heat-absorbed cooling liquid returned to the standby cooling liquid distribution unit (4).

9. The system of claim 7, wherein, The standby cooling liquid distribution unit (4) further includes: A filter (45) configured to filter the cooling liquid stored in the water tank; A temperature sensor (46) configured to monitor the temperature of the cooling liquid in real time; A pressure sensor (47) configured to monitor the flow and pressure of the cooling liquid in real time.

10. The system of claim 1, wherein, The distributor (3) is further provided with a liquid cooling interface, and the distributor (3) is connected to each server (2) through the liquid cooling interface, the number of the liquid cooling interface being consistent with the number of servers in each cabinet.

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